[linux-dvb] Re: DVB-T developments

[Dave Chapman <dave@dchapman.com>]

On Friday 19 October 2001 18:09, you wrote:
>  > With some patches from Marko, I am getting a complete lock (0x7f in
>  > register 0x32) every time I tune to the correct frequency.  I have also
>  > patched the driver to monitor register 0x33 (CSI_AVERAGE) on the L64781,
>  > and am getting values around 0x30 - which I've been told should give me
>  > a perfect Transport Stream.
>
> Do you have patches against the latest CVS so that I can add them?

There is still a lot of debugging code in there, but if there is an urgent 
demand, then I can produce them.

>  > It seems to me that no data is being transferred - mem[0]==0.  Is this
>  > part of the driver is working?  Has anyone managed to read TS data from
>  > the card?
>
> If mem[0] is not 0x47 the data cannot be correct and is not passed to
> the upper driver layers. So, it seems the data does arrive at the
> input port of the SAA7146.
>
> Since you do get fidb IRQs the packet start signals (which are misused
> as h- and v-sync signals on the Nova card) seem to arrive at the
> SAA7146. But maybe something in the output data format selected in the
> DVB-T demodulator is wrong.

Have you any suggestions about what the output data format should be?   I've 
tried setting various formats on the L64781, but I still don't get any data - 
the whole of the mem[] array remains at 0.

Thanks,

Dave.


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